(19)

(11)

EP 3 322 276 A1

(12)

(43) Date of publication: 23.05.2018 Bulletin 2018/21 (21) Application number: 16823936.6 (22) Date of filing: 05.07.2016

(51) International Patent Classification (IPC):  A01B 43/00(2006.01) F15B 3/00(2006.01) A01B 63/112(2006.01) (86) International application number: PCT/FI2016/000018 (87) International publication number: WO 2017/009521 (19.01.2017 Gazette 2017/03)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 10.07.2015 FI 20150213 (71) Applicant: Oy El-Ho Ab 68910 Bennäs (FI)	(72) Inventors: LÖFBACKA, Johan 68930 Purmo (FI) WEST, Filip 68600 Jakobstad (FI) LÖFVIK, Joakim 68910 Bennäs (FI) (74) Representative: Kolster Oy Ab  (Salmisaarenaukio 1) P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)